* {
    margin: 0;
    padding: 0;
}

.w {
    width: 1200px;
    margin: auto;
}

body {
    background-color: #f3f5f7;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    *zoom: 1;
}


.box {
    margin-top: 30px;
}

.box-hd {
    height: 45px;
}

.box-hd h3 {
    float: left;
    font-size: 20px;
    color: #494949;
}

.box-hd a {
    float: right;
    font-size: 12px;
    color: #a5a5a5;
    margin-top: 10px;
    margin-right: 30px;
}

/* 把li 的父亲ul 修改的足够宽一行能装开5个盒子就不会换行了 */
.box-bd ul {
    width: 1225px;
}

.box-bd ul li {
    position: relative;
    top: 0;
    float: left;
    width: 228px;
    height: 270px;
    background-color: #fff;
    margin-right: 15px;
    margin-bottom: 15px;
    transition: all .3s;

}

.box-bd ul li a {
    display: block;
}

.box-bd ul li:hover {
    top: -8px;
    box-shadow: 0 15px 30px rgb(0 0 0 / 10%);
}

.box-bd ul li img {
    width: 100%;
}

.box-bd ul li h4 {
    margin: 20px 20px 20px 25px;
    font-size: 14px;
    color: #050505;
    font-weight: 400;
}

.box-bd .info {
    margin: 0 20px 0 25px;
    font-size: 12px;
    color: #999;
}

.box-bd .info span {
    color: #ff7c2d;
}